With cameras rolling and President Trump looking on, combustive rapper Kanye West went on a bizarre, expletive-riddled monologue in the Oval Office on Thursday about his supposedly misdiagnosed bipolar disorder and adoration for Trump's "Superman"-like qualities.

The "Famous" rapper, who was at the White House to discuss prison reform, gang violence and American manufacturing with the President, went on a barely coherent 10-minute pre-lunch rant that left reporters and others in the room stunned.

"I was diagnosed with bipolar disorder and connected with a neuropsychologist," said West, who donned a red "Make America Great Again" cap for the occasion. "He looked at my brain. I will go ahead and drop bombs for us. 98% on IQ test, 75% of all human beings. Eight numbers backwards. I'm going to work on that one...He said that I actually wasn't bipolar. I had sleep deprivation that can cause dementia 10 to 20 years from now where I wouldn't remember my son's name."

Trump, his fingers intertwined on the Resolute Desk, silently nodded as West went on to explain that he views the President as some sort of father figure, which in essence was why he backed him over Hillary Clinton.

"I didn't have a lot of male energy in my home," West, 41, said. "I love Hillary and I love everyone. But the campaign, 'I'm With Her,' just didn't make me feel as a guy that didn't get to see my dad all the time, like a guy that can play catch with his son."

"It was something about when I put this hat on," he continued, pointing to his red cap, "it made me feel like Superman. That's my favorite super hero."

West also said Trump had given him "a Superman cape" to help him "do good" and waved off concerns raised by critics who say the President is peddling racism.

"'How could you like Trump, he's racist?' Well, uh, if I was concerned about racism, I would've moved out of America a long time ago," West said.

Even Trump was taken aback once West finally concluded the rambling soliloquy by slamming his hands against the desk and claiming people probably did not expect a "crazy motherf--r" such as himself to support the President.

"That was pretty impressive," Trump said to laughter.

The President then turned to retired NFL running back Jim Brown, who was for some reason also present for the unusual meeting.

As Trump announced that the trio was retreating behind closed doors for lunch, West interrupted and ran behind the desk to hug him.

"I love this guy right here," West said, embracing Trump.

"That's from the heart," Trump said. "Special guy."

West, Brown and the President then finally walked into an adjoining room for a private lunch with Trump's daughter Ivanka and her husband Jared Kushner. The group dined on caprese salads and roasted chicken with fingerling potatoes and were supposed discuss "Trump's historic work to benefit all Americans," according to a White House press release.

West, who announced over the summer that he suffers from bipolar disorder, has faced blistering criticism over his public embrace of Trump's political agenda. The hip hop artist came under increased fire after he appeared on "Saturday Night Live" last month proudly wearing his "MAGA" cap.

Earlier Thursday, Trump attended a bill signing ceremony with Republican country crooner Kid Rock and a handful of other hibernated musicians, including Jeff "Skunk" Baxter of The Doobie Brothers and Michael Love of The Beach Boys.

Rock, whose real name is Robert Richie, has, like West, been an adamant supporter of Trump and mantled his political idol's media-bashing manners as he arrived at the White House shortly before noon.

"Should President Trump fire Jeff Sessions?" a reporter shouted at Richie as he walked into the West Wing.